Technics SA-EH670 - Page 15

Pin
No.
Terminal
Name
I/O Function
1 CHECK I Clock check signal input
2 LC72 DI O PLL data signal output for tuner
unit (Z120)
3 LC72 CE O Chip enable signal output for
tuner unit (Z120)
4 LC72 DI/
ST
I IF count data/stereo detect
signal input from tuner unit
(Z120)
5 LC72 CK O Clock signal output for tuner
unit (Z120)
6
ST/AV. /
6CH
- Not used, open
7 NC - Not used, open
8
9 SEL
TUNER
- Not used, open
10 SEL/
TUNER
- Not used, connected to GND
11 AC IN I Power failure detect signal input
12 RESET I Reset signal input
13 X IN I Oscillator connected terminal
(32.7 kHz)
14 X OUT O
15
V
SS
- GND terminal
16 XC IN I Oscillator connected terminal (6
MHz)
17 XC OUT O
18
V
DD
1
I Power supply terminal
19 KEY TU I Operation key signal input
20 KEY
KARAOKE
I Operation key signal input
21 SH REQ O Request signal output from
Sound Processor
22 NC(GND) - Not used, connected to GND
23 VR JOGB I Volume control signal input
24 VR JOGA
25 MIC DET I
Microphone connecting detect
signal input
(Not used, connected to V
DD
)
26 HP SW I
Headphone connecting detect
signal input
27 RDS CLK I RDS clock signal input
28 RDS
DATA
I RDS data signal input
29
REMO /
CON
I Remote control signal input
15